<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="login-box">
        <div class="title">注册页</div>
        <div class="block">
            <input type="text" placeholder="输入用户名">
        </div>
        <div class="block">
            <input type="password" placeholder="输入密码">
        </div>
        <select name="" id="">
            <option value="男">男</option>
            <option value="女">女</option>
        </select>
        <div class="block">
            <input type="text" placeholder="输入年龄">
        </div>
        <div class="block">
            <input type="text" placeholder="输入手机号">
        </div>
        <div class="block">
            <input type="button" value="注册">
        </div>
    </div>
</body>

</html>
<script src="../promise-ajax.js"></script>
<script>
    // 获取input的值
    var inputs = document.querySelectorAll('.login-box .block input')
    console.log(inputs);
    // 获取select的值
    var select = document.querySelector('.login-box select')
    console.log(select);

    // 给button添加点击事件
    inputs[4].onclick = function () {

        // 表单验证
        if (inputs[0].value && inputs[1].value) {

            if (/^\d{4}$/.test(inputs[1].value)) {

                ajax('get', 'https://yantianfeng.com/api/register', {
                    username: inputs[0].value,
                    password: inputs[1].value,
                    sex: select.value,
                    age: inputs[2].value,
                    phone: inputs[3].value
                }).then((data) => {
                    if (data.status == 200) {
                        alert('注册成功');
                    } else {
                        alert('注册失败');
                    }
                })
            } else {
                alert('请输入正确的手机号/密码')
            }
        } else {
            alert('用户名/密码不能为空')
        }
    }

</script>